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Finding the Fourth Proportional to 669,547.74, 924,136.71 and 383,233.86

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Solution

The fourth proportional to 669,547.74, 924,136.71 and 383,233.86 is: 528,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,547.74 : 924,136.71 = 383,233.86 : x
  2. Step 2: Convert to fraction form
    669,547.74/924,136.71 = 383,233.86/x
  3. Step 3: Cross multiply
    669,547.74x = 924,136.71 × 383,233.86
  4. Step 4: Simplify right side
    669,547.74x = 354,160,478,541.00
  5. Step 5: Solve for x
    x = 354,160,478,541.00/669,547.74
  6. Step 6: Final answer
    x = 528,954.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.