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Finding the Fourth Proportional to 616,123.55, 924,136.71 and 195,403.07

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Solution

The fourth proportional to 616,123.55, 924,136.71 and 195,403.07 is: 293,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,123.55 : 924,136.71 = 195,403.07 : x
  2. Step 2: Convert to fraction form
    616,123.55/924,136.71 = 195,403.07/x
  3. Step 3: Cross multiply
    616,123.55x = 924,136.71 × 195,403.07
  4. Step 4: Simplify right side
    616,123.55x = 180,579,145,613.02
  5. Step 5: Solve for x
    x = 180,579,145,613.02/616,123.55
  6. Step 6: Final answer
    x = 293,089.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.