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Finding the Fourth Proportional to 616,430.55, 924,608.93 and 256,510.50

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Solution

The fourth proportional to 616,430.55, 924,608.93 and 256,510.50 is: 384,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,430.55 : 924,608.93 = 256,510.50 : x
  2. Step 2: Convert to fraction form
    616,430.55/924,608.93 = 256,510.50/x
  3. Step 3: Cross multiply
    616,430.55x = 924,608.93 × 256,510.50
  4. Step 4: Simplify right side
    616,430.55x = 237,171,894,188.93
  5. Step 5: Solve for x
    x = 237,171,894,188.93/616,430.55
  6. Step 6: Final answer
    x = 384,750.39

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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.